Pressure cooker

	Pressure cooker
	<a href="/wiki/File:Pressurecooker.png" class="image" title="Pressure cooker image"><img alt="Pressure cooker image" src="/w/images/3/3e/Pressurecooker.png" decoding="async" width="105" height="113" /></a>
	<a href="/wiki/File:Pressurecooker.png" class="image" title="Pressure cooker image"><img alt="Pressure cooker image" src="/w/images/3/3e/Pressurecooker.png" decoding="async" width="105" height="113" /></a>
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Pattern type	Oscillator
Oscillator type	Billiard table
Number of cells	33
Bounding box	11 × 12
Period	3
Mod	3
Heat	4
Volatility	0.16
Strict volatility	0.16
Discovered by	MIT group
Year of discovery	1971
Rules
Outer-totalistic rules	B3/S23 – B38/S1235678
# of rules	26 = 64
Isotropic rules	B3eiry/S2-n3-ajy – B2in34cekqtz5acikn6-ik7c8/S1234-cit5678
Glider synthesis
Fewest gliders	109†
Catagolue-generated RLE	synthesis
Uploaded synthesis RLE	pressurecooker_synth.rle
	†Can be constructed with 15 gliders using the reverse caber tosser universal constructor.
Pattern files
Plaintext	pressurecooker.cells
RLE	pressurecooker.rle
Identifiers
apgcode	xp3_xgba9jz624bo2ob426zy0121

Pressure cooker is a period-3 oscillator that was found by the MIT group in September 1971.^[1] It was one of the first billiard table configurations to be discovered. Its generations have 33, 36, and 37 cells.

References